<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Class类</title>
</head>
<body>
    <script>
        //手机 ES5通过构造函数实例化对象的语法
        /* function Phone(brand,price){
            this.brand = brand;
            this.price = price;
        }
        //添加方法
        Phone.prototype.call = function(){
            console.log('打电话.');
        }
        //实例化对象
        let Huawei = new Phone('华为',5999);
        Huawei.call();
        console.log(Huawei);
 */
        //ES6
        class Phone{
            //构造方法
            constructor(brand,price){//构造方法 名字不能修改
                this.brand = brand;
                this.price = price;
            }
            //方法必须使用该语法，不能使用ES5的对象完整形式  就是call:function(){};
            call(){
                console.log('拨打电话');
            }
        }
        let onePlus = new Phone('一加',1999);
        console.log(onePlus);
        onePlus.call();
    </script>
</body>
</html>